Chapter 13

Question 0

Phylum Cnidaria: all animals except sponges are from clade____

Answer 0

Eunetazoa

Question 1

2 characteristics of phylum cnidaria and ctenophora

Answer 1

Radial symmetry

Diploblastic

Question 2

Phylum cnidaria: Becomes both POLYP and MEDUSAE during life cycles

Answer 2

Polymorphism

Question 3

Layers of cnidarian body wall

Answer 3

Epidermis(ectoderm)
Mesoglea (jelly)
Gastrodermis (endoderm)

Question 4

Polyp reproduction

Answer 4

Asexual

Budding, fission, pedal laceration

Question 5

Phylum cnidaria zygote becomes _____

Answer 5

Planula larva

Question 6

Cnidarians use _____ to catch prey

Answer 6

Tentacles

Question 7

Contain toxin for pray capture cnidaria

Answer 7

Nematocysts

Question 8

4 classes cnidaria

Answer 8

Hydrozoa
Scyphozoa
Cubozoa
Anthozoa

Question 9

Phylum cnidaria: Individual polyp part of a colony

Answer 9

Zooid

Question 10

Phylum cnidaria: Protective cup around polyp

Answer 10

Thecate

Question 11

Phylum cnidaria: No cup around polyp

Answer 11

Athecate

Question 12

Special sense organs hydrozoa medusae

Answer 12

Statocysts (balance)

Oceli

Question 13

Hydrozoa polyp examples

Answer 13

Obelia (thecate)

Ectopleura (athecate)

Question 14

Inward projection of bell

Answer 14

Velum

Question 15

Scyphozoans’ sense organ containing statocysts and sometimes ocelli

Answer 15

Rhopalium

Question 16

Saucer-like buds in scyphozoans

Answer 16

Ephyrae

Question 17

Class scyphozoa: Produces ephyrae

Answer 17

Strobilation

Question 18

Class cubozoa examples

Answer 18

Box jellyfish, sea wasps

Question 19

Phylum Cnidaria Class Anthozoa Order scleractinia

Answer 19

Hexacorallian corals

Question 20

Class anthozoa order actinaria

Answer 20

Sea anemone

Question 21

Most diverse, productive ecosystems

Answer 21

Coral reef

Question 22

Secretes calcium carbonate, the main structure of coral reefs

Answer 22

Hermatypic corals

Question 23

Reef: close to land with no/narrow lagoon

Answer 23

Fringing reefs

Question 24

Reef:Run parallel to shore, with deep wide lagoon

Answer 24

Barrier reefs

Question 25

Reef: Encircle a lagoon

Answer 25

Atoll

Question 26

Reef: Scattered throughout lagoon

Answer 26

Patch reefs

Question 27

Reef: side that faces the sea

Answer 27

Fore reef slope

Reef front

Question 28

Shallow, slightly emergent reef top

Answer 28

Reef crest

Question 29

Back reef slopes into lagoon

Answer 29

Reef flat

Question 30

Corals turn white and brittle because of global warming

Answer 30

Coral bleaching

Question 31

Phylum ctenophora: what do they use to swim?

Answer 31

Cilliated comb plates

They don’t work very well